Compact Disc Player SL-PJ20

Technics (brand)

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  • Year
  • 1986/1987
  • Category
  • Sound/Video Recorder and/or Player
  • Radiomuseum.org ID
  • 318815

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • CD-Player, -Writer, MD, MOD (audio); Remote Control (with wire or wireless)
  • Power type and voltage
  • Alternating Current supply (AC) / 120; 220; 240; 110-127; 220-240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Compact Disc Player SL-PJ20 - Technics brand
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 315 x 76 x 240 mm / 12.4 x 3 x 9.4 inch
  • Notes

  • A midi sized stereo hi-fi compact disc player housed in a metal case in black or in silver (except USA and Canada). RCA phono Line Out sockets, Synchro recording and Remote Control connections.

    Specification  
    Audio  
    No. of channels: 2 (left and right stereo)
    Frequency response: 4-20,000Hz ±0.5dB (EIAJ)
    Dynamic range: > 92dB (EIAJ)
    S/N ratio: > 96dB (EIAJ)
    Harmonic distortion: 0.004% (1 kHz, 0dB)
    Total harmonic distortion 0.006% (1 kHz, 0dB) (EIAJ)
    Channel separation: > 96dB (EIAJ)
    Wow and flutter: below measurable limit (EIAJ)
    Low-pass filter: High-resolution digital filter
    Output  
    Output voltage: 2V (at 0dB) (EIAJ)
    Output impedance: 550Ω
    Load impedance:  > 10kΩ
    Signal Format  
    Sampling frequency: 44.1 kHz
    Correction system: Techics Super Decoding Algorithm
    D-A conversion: 16-bit linear
    Pickup  
    Type Fine focus, single beam (FF1)
    Access time: 1 second (access to the last track) (EIAJ)
    Light source: Semiconductor laser
    Wavelength: 780 nm
    Traverse system: High-speed linear acces system
    Spindle system: Brushless DD motor

    Versions/Power Requirements
    USA & Canada / 120V AC 60Hz
    UK & Australia / 240V AC 50Hz
    Continental Europe / 220V AC 50Hz
    Multi-voltage / 110-127, 220-240V AC 50/60Hz with voltage selector

    Power Consumption: 10W

  • Net weight (2.2 lb = 1 kg)
  • 3 kg / 6 lb 9.7 oz (6.608 lb)
  • Mentioned in
  • -- Original prospect or advert (1986-1987 Technics Hi-Fi catalogue)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service Manual Technics SL-PJ20)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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